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在川水和阴湿地区种植的蚕豆,易徒长,贪青晚熟,落花落荚严重,造成倒伏减产。因此,在蚕豆生长的适当时期进行打尖,可收到显著的增产效果。经多年试验示范,一般打尖比不打尖地块每亩增产15——40%。1983年在临夏地区的和政、康乐、临夏等县已推广一万多亩,今年将作为蚕豆增产一项主要措施大力推广。蚕豆打尖是一项方便简易,经济省力,行之有效的增产措施。打尖的好处是:
Broad beans planted in the water and humid areas, easy to grow long, greed green late ripening, falling falling pods serious, resulting in lodging yield. Therefore, in the proper period for the growth of broad beans to fight the spike, you can receive significant yield increase. After years of experiment and demonstration, the general point of sparring does not hit sharp plots yield 15 - 40% per mu. In 1983, more than 10,000 mu were promoted in peace, recreation, and Linxia counties in Linxia. This year, it will be vigorously promoted as a major measure for increasing the production of broad beans. Broad bean strike is a convenient, economical, labor-saving and effective stimulation measures. The advantages of hitting spikes are: